package Calculator;

// CalcGUI.java

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;

public class CalcGUI extends JFrame implements ActionListener {
    JPanel contentPane;
    JMenuBar jMenuBar1 = new JMenuBar();
    JMenu menuFile = new JMenu();
    JMenuItem menuQuit = new JMenuItem();
    JTextField solution = new JTextField();
    JButton num1 = new JButton();
    JButton num2 = new JButton();
    JButton num3 = new JButton();
    JButton num5 = new JButton();
    JButton num4 = new JButton();
    JButton num6 = new JButton();
    JButton num8 = new JButton();
    JButton num9 = new JButton();
    JButton num7 = new JButton();
    JButton num0 = new JButton();
    JButton minus = new JButton();
    JButton multiply = new JButton();
    JButton add = new JButton();
    JButton divide = new JButton();
    JButton equals = new JButton();
    JButton clear = new JButton();
    int n1 = 1;
    int n2 = 2;
    int n3 = 3;
    int n4 = 4;
    int n5 = 5;
    int n6 = 6;
    int n7 = 7;
    int n8 = 8;
    int n9 = 9;
    int n0 = 0;
    String temp = "";
    
    public CalcGUI() {
        try {
            setDefaultCloseOperation(EXIT_ON_CLOSE);
            jbInit();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }

    private void jbInit() throws Exception {
        contentPane = (JPanel) getContentPane();
        this.setJMenuBar(jMenuBar1);
        setSize(new Dimension(268, 237));
        setTitle("Calculator");
        contentPane.setLayout(null);
        menuQuit.setText("Quit");
        menuQuit.addActionListener(this);
        menuFile.setText("File");
        solution.setForeground(Color.black);
        solution.setDisabledTextColor(Color.black);
        solution.setBackground(Color.white);
        solution.setEditable(false);
        solution.setBounds(new Rectangle(9, 13, 179, 19));
        num1.setBounds(new Rectangle(9, 51, 51, 23));
        num1.setText("1");
//        num1.addKeyListener(this);
        num1.addActionListener(this);
        num2.setBounds(new Rectangle(73, 51, 51, 23));
        num2.setText("2");
        num2.addActionListener(this);
        num3.setBounds(new Rectangle(137, 51, 51, 23));
        num3.setText("3");
        num3.addActionListener(this);
        num5.setBounds(new Rectangle(73, 83, 51, 23));
        num5.setText("5");
        num5.addActionListener(this);
        num4.setBounds(new Rectangle(9, 83, 51, 23));
        num4.setText("4");
        num4.addActionListener(this);
        num6.setBounds(new Rectangle(137, 83, 51, 23));
        num6.setText("6");
        num6.addActionListener(this);
        num8.setBounds(new Rectangle(73, 115, 51, 23));
        num8.setText("8");
        num8.addActionListener(this);
        num9.setBounds(new Rectangle(137, 115, 51, 23));
        num9.setText("9");
        num9.addActionListener(this);
        num7.setBounds(new Rectangle(9, 115, 51, 23));
        num7.setToolTipText("");
        num7.setText("7");
        num7.addActionListener(this);
        num0.setBounds(new Rectangle(73, 147, 51, 23));
        num0.setText("0");
        num0.addActionListener(this);
        minus.setBounds(new Rectangle(200, 83, 51, 23));
        minus.setText("-");
        multiply.setBounds(new Rectangle(200, 115, 51, 23));
        multiply.setText("*");
        add.setBounds(new Rectangle(200, 51, 51, 23));
        add.setText("+");
        add.addActionListener(this);
        divide.setBounds(new Rectangle(200, 147, 51, 23));
        divide.setToolTipText("");
        divide.setText("/");
        equals.setBounds(new Rectangle(200, 11, 51, 23));
        equals.setText("=");
        clear.setBounds(new Rectangle(137, 147, 51, 23));
        clear.setText("C");
        clear.addActionListener(this);
        jMenuBar1.add(menuFile);
        menuFile.add(menuQuit);
        contentPane.add(solution);
        contentPane.add(num1);
        contentPane.add(num2);
        contentPane.add(num3);
        contentPane.add(num4);
        contentPane.add(num5);
        contentPane.add(num6);
        contentPane.add(num7);
        contentPane.add(num8);
        contentPane.add(num9);
        contentPane.add(num0);
        contentPane.add(add);
        contentPane.add(minus);
        contentPane.add(multiply);
        contentPane.add(divide);
        contentPane.add(equals);
        contentPane.add(clear);

    }

    public void actionPerformed(ActionEvent e) {

      Object source = e.getSource();
      if(source==menuQuit) {
        System.exit(0);
      } else if(source==num1||source==num2||source==num3||
                source==num4||source==num5||source==num6||
                source==num7||source==num8||source==num9) {
        temp = temp + ((JButton)source).getText();
        solution.setText(temp);
      } else if(source==clear) {
        temp = "";
        solution.setText(temp);
      }

    }

}